ZFS

ZFS is a combined file system and logical volume manager designed by Sun Microsystems. The features of ZFS include protection against data corruption, support for high storage capacities, efficient data compression, integration of the concepts of filesystem and volume management, snapshots and copy-on-write clones, continuous integrity checking and automatic repair, RAID-Z and native NFSv4 ACLs.

ZFS may refer to:

• ZFS, a file system and logical volume management system, by Sun Microsystems
  • ZFS+, ZFS with proprietary data de-duplication technology extensions by GreenBytes
• zFS (IBM file system), either of two file systems, a z/OS or a separate experimental one
• Zero field splitting, a spectroscopic concept
• Zurich Financial Services

ZFS+ is a combined file system and logical volume manager software subsystem initially released under Common Development and Distribution License or CDDL license from Sun Microsystems with proprietary data deduplication features added by GreenBytes and subsequently made proprietary for a storage systems product. GreenBytes owns the trademark on ZFS+, not to be confused with Sun Microsystems ZFS trademark.